2. 外语
  3. Children whose minds wander might have sharper brains, research suggests. A study has found thatpeople who【B1】______constantly d

Children whose minds wander might have sharper brains, research suggests. A study has found thatpeople who【B1】______constantly d

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问题     Children whose minds wander might have sharper brains, research suggests. A study has found thatpeople who【B1】______constantly distracted have more "working memory," giving them the ability to hold alot of information in their heads and manipulate it mentally. Children at school need this type of memory on adaily basis for a variety of tasks, such as following teachers’ instructions or remembering【B2】______ sentences. During the study, volunteers were asked to【B3】______ one of two simple tasks during whichresearchers checked to ask if the participants’ minds were wandering. In the end, participants measured theirworking memory capacity by their ability to remember a series of letters【B4】______ with simple mathsquestions. Daniel Levinson, a psychologist at the University of Wisconsin-Madison in the United States, said that those with higher working memory capacity reported "more mind wandering during these simple tasks,"but their【B5】______ did not suffer. The results, published online in the journal Psychological Science,appear to confirm【B6】______ research that found working memory allows humans to juggle multiplethoughts simultaneously. What this study seems to suggest is that, when【B7】______ for the task aren’tvery difficult, people who have【B8】______working memory resources deploy them to think about thingsother than what they’re doing. Working memory capacity also【B9】______general measures of intelligence,such as reading comprehension and IQ scores, and also offers a window into the widespread, but not well understood,【B10】______of internally driven thoughts.
【B4】
选项
答案interspersed
解析 由空格前的名词短语a series of letters及空格后的with simple maths questions可知，空格处应填入一个非谓语结构作letters的后置定语。结合录音可知，答案为interspersed，意为“散布，点缀”。
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